Year	% change from 1990
1991	-0.0810140519075575
1992	-1.2784149325225
1993	0.721420196046529
1994	0.165694379479819
1995	-1.58320111279249
1996	2.35290126801613
1997	3.02522808731198
1998	-42.2403090185685
1999	-50.2708873470853
2000	-40.2551557922851
2001	-49.9307345012393
2002	-49.0322373035816
2003	-39.9390739112786
2004	-42.6316332573111
2005	-30.8099989105026
2006	-33.249534557315
2007	-27.7081553167254
2008	-28.9581143252079
2009	-23.6455215686928
2010	-19.5723591702156
2011	-19.5723591702172
2012	-19.5723591702172